300/500V Mica+XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (2-3 Cores)
APPLICATIONThe cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.STANDARDSBasic design adapted from BS 7211:2012FIRE PERFORMANCECircuit Integ…
300_500V Mica+XLPE Insulated, LSZH Sheathed Power Cablesto BS 7211 (2-3 Cores).pdf Contact us

APPLICATION

The cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.

STANDARDS

Basic design adapted from BS 7211:2012

FIRE PERFORMANCE

Circuit IntegrityIEC 60331-21; BS 6387
Flame Retardance (Single vertical wire or cable test)IEC 60332-1-2; EN 60332-1-2
Reduced Fire Propagation (Vertically-mounted bundled wires & cables test)IEC 60332-3-24; EN 60332-3-24
Halogen freeIEC 60754-1; EN 50267-2-1
No Corrosive Gas EmissionIEC60754-2; EN 50267-2-2
Minimum Smoke EmissionIEC 61034-2; EN 61034-2

VOLTAGE RATING

300/500V

CABLE CONSTRUCTION

Conductor : Annealed copper conductor, solid or stranded according to BS EN 60228 class 1 or class 2.

Fire Barrier : Mica glass tape.

Insulation : XLPE type GP 8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to EN 50363-5 can be offered as option.

CPC (Circuit Protective Conductor) : Uninsulated copper conductor.

Outer Sheath : Extruded LSZH type LTS 2 according to BS 7655-6.1.

Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

COLOUR CODE

Insulation Colour :

Twin : Brown and blue or, for 2x1.0 and 2x1.5 cables, brown and brown.

Three cores : Brown, black (centre core) and grey.

Position of CPC :

Twin : Centrally placed between cores in same plane.

Three cores : Centrally placed between black and grey cores in same plane.

Sheath Colour : White; other colours can be offered upon request.

PHYSICAL AND THERMAL PROPERTIES

Maximum temperature range during operation : 90°C

Maximum short circuit temperature (5 Seconds) : 250°C

Minimum bending radius :

OD<8mm : 4 × Overall Diameter

8mm≤OD≤12mm : 5 × Overall Diameter

OD>12mm : 6 × Overall Diameter

CONSTRUCTION PARAMETERS

ConductorFRP300-mRZ1-U/R
No. of Cores × Cross-sectional AreaConductor ClassNominal Insulation ThicknessCrosssectional Area of CPCClass of CPCNominal Sheath ThicknessMin. Overall DimensionsMax. Overall DimensionsApprox. Weight
No.×mm² mmmm² mmmmmmkg/km
2×1.010.71.010.95.1×9.66.0×11.284
2×1.510.71.010.95.4×10.16.3×11.7101
2×2.510.71.511.05.9×11.37.0×12.2136
3×1.010.71.010.95.1×13.06.0×15.1108
3×1.510.71.010.95.4×13.76.3×15.9135
3×2.510.71.511.05.9×15.07.0×17.6190
2×1.020.71.010.95.2×9.86.1×11.489
2×1.520.71.010.95.5×10.36.4×12.0107
2×2.520.71.511.06.0×11.57.1×13.4141
2×420.71.511.06.5×12.47.7×14.6181
2×620.72.511.17.2×14.08.5×16.6256
2×1020.74.021.28.3×16.59.8×19.5406
2×1620.76.021.39.4×19.011.1×22.5576
3×420.71.511.06.5×17.07.7×19.9216
3×620.72.511.17.2×19.27.5×22.5311
3×1020.74.021.28.3×22.59.8×26.6460
3×1620.76.021.39.4×25.811.1×30.6690

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

CURRENT-CARRYING CAPACITIES (AMP) ACCORDING TO BS 7671:2008 TABLE 4E2A

Conductor cross-sectional areaRef. Method A (enclosed in conduit in thermally insulating wall etc.)Ref. Method B (enclosed in conduit on a wall or in trunking etc.)Ref. Method C (clipped direct)Ref. Method E (in free air or on a perforated cable tray etc. horizontal or vertical)
1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.
123456789
mm²AAAAAAAA
1.014.513171519172118
1.518.516.52219.524222623
2.52522302633303632
43330403545404942
64238514458526354
105751696080718675
167668918010796115100

Note: *With or without a protective conductor.

VOLTAGE DROP (PER AMP PER METER) ACCORDING TO BS 7671:2008 TABLE 4E2B

Conductor cross-sectional areaTwo-core cable, d.c.Two-core cable, single-phase a.c.Three- or four-core cable, three-phase a.c.
1234
mm²mV/A/mmV/A/mmV/A/m
1.0464646
1.5313131